Ehresmann, Charles Esquisses et types des structures algébriques. (French) Zbl 0196.03102 Bul. Inst. Politeh. Iaşi, N. Ser. 14(18), No. 1-2, 1-14 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 49 Documents Keywords:general algebraic structures PDF BibTeX XML Cite \textit{C. Ehresmann}, Bul. Inst. Politeh. Iași, N. Ser. 14(18), No. 1--2, 1--14 (1968; Zbl 0196.03102)